FAN73895MX Integrated Circuits (ICs)

Logic Voltage - VIL, VIH:	0.8V, 2.5V
Supplier Device Package:	28-SOIC
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C (TJ)
Rise / Fall Time (Typ):	50ns, 30ns
High Side Voltage - Max (Bootstrap):	600V
Input Type:	Non-Inverting
Current - Peak Output (Source, Sink):	350mA, 650mA
Series:	--
Voltage - Supply:	10 V ~ 20 V
Gate Type:	IGBT, N-Channel MOSFET
Number of Drivers:	6
Channel Type:	3-Phase
Driven Configuration:	Half-Bridge
Part Status:	Active
Packaging:	Tape & Reel (TR)

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FAN73895MX Application Field and Working Principle

The FAN73895MX is a multi-channel, low-threshold, low-side FET driver for PMIC-Gate Drivers. It is specifically designed for the battery-powered consumer electronics applications. This FET driver is designed and optimized to reduce the gate ringing and minimize gate capacitance and gate drive losses, thus improving power density and efficiency.

Application Field

The FAN73895MX has proven to be reliable and robust in powering consumer applications such as mobile phones, tablets, notebook computers, and medical devices. It is also used in battery-powered products to enable power management features such as over-voltage, over-current, and short-circuit protection.The FAN73895MX has the ability to drive multiple low-side FETs, from a single control pin. This is especially useful for applications in high-voltage environments, where high-side FETs could not be used. It also has a high-temperature shutdown feature, which prevents device failure due to overheating. The FAN73895MX is available in four different packages. It can operate on supply voltages ranging from 3.0V to 6.5V. It has an operating temperature range of -40°C to +125°C, making it suitable for high temperature applications. The device has a 4-channel low-side FET driver with logic pin control.

Working Principle

The FAN73895MX is a FET driver IC with four low-side FETs. It is designed to drive the FETs with high accuracy and efficiency. It has a control pin to enable and disable the FET outputs, and a logic pin to control the voltage level of each FET output. The control pin can be used to toggle the FET\'s on or off state, while the logic pin controls the output voltage of the FET.The FAN73895MX has a built-in over-temperature and over-voltage protection feature, which prevents internal damage to the FET if the temperature or voltage rises beyond its tolerance level. The device also features a low-side ignition current control circuit, which helps to reduce the power dissipation in the FET during start-up. This feature further helps to reduce the gate-drive losses, thus improving the efficiency of the overall power delivery system.The FAN73895MX also features an enable input pin to enable or disable the FETs. This feature helps to reduce the number of FETs being held in the ‘on’ state, which in turn reduces power consumption and improves overall efficiency.In summarizing, due to the advanced features of the FAN73895MX, it is highly suitable for battery-powered applications. Its low-threshold, low-side FET driver design, combined with advanced protection features, make it an excellent choice for PMIC-Gate Drivers. Additionally, its high temperature and voltage capability, as well as low power consumption, make it an ideal choice for high temperature and high voltage applications.

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